HOUSTON -

Four disgruntled pool hall patrons shot a security guard in the head and took off, police said.

According to reports, those four suspects were inside the Illusion Pool Hall on Long Point Road when security asked them to leave just before 2 a.m. Sunday.

Witnesses said the suspects walked out to a red SUV in the parking lot, retrieved a handgun, and one of them shot the security guard in the head.

The victim was taken to the hospital and is expected to survive; his name was not immediately released.

The four suspects got into the SUV and fled the scene.

As of Sunday morning, no arrests had been made.